8
algebra

If 15−2(x+1)=515 - 2(x + 1) = 5, what is the value of xx?

A

4

B

6

C

5

D

3

Correct Answer: A

Choice Dhoice B is the correct answer.

  1. Subtract 15: −2(x+1)=−10-2(x + 1) = -10
  2. Divide by -2: x+1=5x + 1 = 5
  3. Subtract 1: x=4x = 4
  4. Verify: 15−2(5)=515 - 2(5) = 5 ✓

Choice Dhoice C is incorrect because calculation error.

Choice Dhoice D is incorrect because calculation error.

Choice Dhoice C is incorrect because calculation error.

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Linear Functions Set 15